diff options
| author | Andrew Vasquez <andrew.vasquez@qlogic.com> | 2012-11-21 11:40:33 +0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-11-30 18:47:48 +0400 |
| commit | 7e98df229e915fdc38451d6f2de94e0589793288 (patch) | |
| tree | cbc0e441288f0ad326ddaf5e84d043d534c06c44 /drivers/scsi | |
| parent | 53016ed32182e1829bcb48bab37af54a7a0c95e2 (diff) | |
| download | linux-7e98df229e915fdc38451d6f2de94e0589793288.tar.xz | |
[SCSI] qla2xxx: Use correct Request-Q-Out register during bidirectional request processing
Original code was not corrected for ISP83xx support. Instead code should used
the cached reference from the req_que structure, rather than the legacy
'if (ISP-TYPE(X))... else if (ISP-TYPE(Y))...' codes.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_iocb.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index b6104042b7ac..a481684479c1 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -2748,7 +2748,6 @@ qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds) struct rsp_que *rsp; struct req_que *req; int rval = EXT_STATUS_OK; - device_reg_t __iomem *reg = ISP_QUE_REG(ha, vha->req->id); rval = QLA_SUCCESS; @@ -2786,15 +2785,7 @@ qla2x00_start_bidir(srb_t *sp, struct scsi_qla_host *vha, uint32_t tot_dsds) /* Check for room on request queue. */ if (req->cnt < req_cnt + 2) { - if (ha->mqenable) - cnt = RD_REG_DWORD(®->isp25mq.req_q_out); - else if (IS_QLA82XX(ha)) - cnt = RD_REG_DWORD(®->isp82.req_q_out); - else if (IS_FWI2_CAPABLE(ha)) - cnt = RD_REG_DWORD(®->isp24.req_q_out); - else - cnt = qla2x00_debounce_register( - ISP_REQ_Q_OUT(ha, ®->isp)); + cnt = RD_REG_DWORD_RELAXED(req->req_q_out); if (req->ring_index < cnt) req->cnt = cnt - req->ring_index; |